Single drum rollers 2012 2,189 h United States, NOVI, Michigan
Single drum rollers 2015 2,750 h United States, Novi, Michigan
Twin drum rollers 2021 1,375 h United States, Grand Rapids, Michigan
Twin drum rollers 2021 1,710 h United States, Grand Rapids, Michigan
Twin drum rollers 2021 1,236 h United States, Grand Rapids, Michigan
Single drum rollers 2019 590 h United States, Novi, Michigan
Single drum rollers 2021 960 h United States, Van Buren Charter Township, Michigan